When the standardized residual plot displays a fan shape (Model A in the next question is a good example of a fan shape), which of the following assumptions is(are) violated?

The error term has the same constant variance.

The error term is normally distributed.

The dispersion of the error term is the same whatever the value of the independent variable is.

The errors are independent.

The error terms at different values of the dependent variable is not correlated.

The mean of the error term is constant.

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